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3-3. Audible alarm and LED indicators
3-4. Warning and fault codes
When a warning is triggered or a fault occurs, the event description will be displayed on the LCD screen.
Description
Alarm
Mute control
LED
UPS status
Bypass mode
Beeps once every 2 minutes
Yes
Green on
Battery mode
Beeps once every 4 seconds
Blue on
Fault mode
Beeps continuously
Red on
Other normal mode
N/A
Blue on
Warning
Overload
Beeps twice every second
Yes
Intermittent red
Others
Beeps once every second
Intermittent red
Fault
All
Beeps continuously
Yes
Red on
Type
Event code
Event description
LCD display
Fault
01
Bus start failure
<01> Bus start failure
Fault
02
Bus voltage is high
<02> Bus over
Fault
03
Bus voltage is low
<03> Bus under
Fault
04
Bus voltage is unbalanced
<04> Bus unbalance
Fault
11
Inverter soft start failure
<11> INV start fail
Fault
12
Inverter voltage is high
<12> High INV volt
Fault
13
Inverter voltage is low
<13> Low INV voltage
Fault
14
Inverter is short-circuited
<14> INV output short
Fault
27
Battery voltage is too high
<27> Battery too high
Fault
28
Battery voltage is too low
<28> Battery too low
Fault
41
Overtemperature
<41> Over temperature
Fault
43
Overload fault
<43> Overload
Fault
45
Charger fault
<45> Charger fail fault
Warning
02
Charger failure
<02> Charger failure
Warning
03
Overcharge
<03> Over charge
Warning
04
Overtemperature
<04> Over temperature
Warning
05
Low battery
<05> Battery low
Warning
06
Overload warning
<06> Overload
Warning
08
Battery is draining to a critically low level <08> Battery time low
Warning
09
Battery fault
<09> Battery bad
Warning
0A
Bypass out of range
<0A> Bypass out of range
Warning
0B
Bypass frequency unstable
<0B> Bypass freq unstable
Warning
0C
Battery replacement
<0C> Battery replacement
Warning
0D
Battery disconnected
<0D> Battery disconnected
Warning
0E
EEPROM error
<0E> EEPROM Error